Oracle 9i intorudcuces functionality to rename table columns online (alter table rename column). Shareplex does not support Alter Table rename column
Shareplex does not support Alter Table rename column.
The workaround for this in Shareplex 4.5 would be to drop the column and recreate the column. The reason this has to be done is so that the object cache gets updated with the correct information about the table structure.